1. ENERGY STORAGE:

Exploring the life and death of a lithium-ion battery

DOWNERS GROVE TOWNSHIP, Ill. -- With current battery systems reaching their performance limits, researchers are scrutinizing every component of lithium-ion cells in order to develop energy storage mechanisms that can make electric vehicles better competitors to fossil-fueled engines. Go to story #1

1. ENERGY STORAGE:

Exploring the life and death of a lithium-ion battery

TODAY'S STORIES

2. WEATHER:

Flood risk in Midwest exceeds that of hurricane-prone coastal zones -- report

3. CANADA:

British Columbia premier prepared to change climate targets to build LNG sector

4. CITIES:

More robust systems are needed to manage sewage overflows -- panel

5. ENERGY EFFICIENCY:

Executives make business case for smarter energy use

6. FINANCE:

Outside group finds promised 'new' climate aid funds hard to define and track

7. NATIONS:

Danes make a heavy 'eco footprint' despite reliance on wind power -- WWF

8. PUBLIC OPINION:

Visitors to wildlife refuges worry about climate impacts

9. GEOENGINEERING:

Volcanic simulation shelved over perceived conflict of interest

10. PEOPLE:

Climate change 'is the ultimate challenge' -- Jose Figueres

11. EMISSIONS:

Carbon fund aims to reduce biological greenhouse gases

12. NATIONS:

Flooding in Kiribati is caused by more than rising seas

E&ETV's OnPoint

13. ENERGY POLICY:

Economist Mason says Fed should raise interest rates to lower gasoline prices

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TRANSPORTATION:

LaHood renews Keystone XL veto threat as courtship of Dems heats up

CAMPAIGN 2012:

Romney campaign hires Senate staffer to advise on energy -- sources

DOE:

At loan hearing, GOP lavishes praise on solar company with no government funding -- and no sales

ENERGY POLICY:

Natural Resources panel passes suite of onshore production bills

Greenwire

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SOLAR:

U.S. imposes duties on Chinese equipment manufacturers

AIR POLLUTION:

FERC to advise EPA on extending compliance time for power plants

HIGH-SPEED RAIL:

Calif. Senate president asks Obama admin to promise more money for bullet train

ENDANGERED SPECIES:

Report rebuts GOP on species recovery

Energy Policy:

Economist Mason says Fed should raise interest rates to lower gasoline prices (05/17/2012)

Energy Policy:

Carnegie Endowment's Gordon discusses future of unconventional oil in U.S. (05/15/2012)

Energy Policy:

Environmental author McKibben discusses new subsidy rollback legislation (05/14/2012)